Pin Signal line to PC-COM Pin
A DCD/ --- 1
B DSR/ --- 4
C RX --- 3
D RTS/ --- 8
E TX --- 2
F CTS/ --- 7
G DTR --- 6
H RI --- 9
J GND --- 5
K Terminal --- Bridge to Pin 5 (don't connect before requesting GFZ pool staff)
Mating Connector (Recorder): [MIL-C-26482] 12-10S
Mating Connector (PC only !!): D-Sub 9-pin, female
NOTE: The wiring given above is designed for connecting Earth Data Logger to a MODEM.
For an intermediate access to the 'MODEM' port by a PC or PDA remove connections between Pin A and Pin 1 as well as between Pin G and Pin 6, and apply bridges between Pin A and Pin G as well as between Pin 1 and Pin 6 (shortcut DTR and DCD).
CENTRONICS IDE HD Power
Pin Signal Pin Pin
I HD_LED 39
26 GND --- 2/3
2 HD_CS0 37
27 HD_CS1 38
3 HD_Addr0 35
28 HD_Addr2 36
4 HD_Addr1 33
29 VCC --- 4
5 IRQ(14) 31
30 IO_16 32
6 VCC --- 4
31 GND 40
7 IO_RDY 27
32 DD_ACK 29
8 IO_Read 25
33 GND 30
9 IO_Write 23
34 GND 26
10 GND 24
35 GND 22
11 GND 19
36 DD_RQ 21
12 Data0 17
37 Data15 18
13 Data1 15
38 Data14 16
14 Data2 13
39 Data13 14
15 Data3 11
40 Data12 12
16 Data4 9
41 Data11 10
17 Data5 7
42 Data10 8
18 Data6 5
43 Data9 6
19 Data7 3
44 Data8 4
20 Reset IDE 1
45 GND 2
21 (SLAVE+)
46 Disk Heating
22
47 Disk Heating
23
48 (SLAVE-)
24
49
25
50 GPIO_Detect 34
Mating Connector (to Hard Disk Case): Centronics [IEEE488] 50-pin, female
Mating Connector (to IDE Controller): IDE Connector, 40-pin, female